Elysian Shadows

While I was doing my topic about the Mario glitch I suddenly remembered a while back this really cool program that I've stumbled upon known as "Toad's Tool". It's basically a level editor that allows you to customize mario levels. (And even make your own!) Here's one of the many links to it.

http://homepage.mac.com/qubedstudios/ToadsTool64.htm

This is the nintendo 64 version not the DS.